package GroupingComparator;

import java.io.IOException;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.mapreduce.Reducer;

public class OrderReducer extends Reducer<OrderBean, NullWritable, OrderBean, NullWritable> {
    @Override
    protected void reduce(OrderBean key,
                          Iterable<NullWritable> values,
                          Context context) throws IOException, InterruptedException {
        context.write(key,NullWritable.get());
    }
}

